KNOWLES - MR receiver serie

Dimensions (mm):
Ø22.12 x 9.3
Waterproof/submersible receiverFor use in handsets intended for use directly against the ear
Key features:
The MR Series Assemblies consist of a speaker element attached to a waterproof bellows assembly. They may be panel mounted, and are suitable for outdoor use or repeated submersion.

Highly waterproof – no loss of performance after immersion in 15m water
Corrosion resistant
Withstands explosive decompression
Design proven in rugged environments
Leads attached
High resistance to mechanical shock
Acoustically transparent bellows
Resists effects of mud, sand, and salt encrustation
Reference Port location Sensitivity @ 1kHz (dB SPL) Sensitivity @1st Peak (dB SPL) DC Resistance (Ω) Impedance @ 500 Hz (Ω)
MR-23333-000 Face 100.0 119.5 10.0 21.0